Which of the following could be used to formulate 100 mls of a 0.10 M acetate bu

Question

Which of the following could be used to formulate 100 mls of a 0.10 M acetate buffer (pK=4.76) at pH 5 if you start with 64 mls of 0.10 M sodium acetate?
34 mls of 0.10 M HCl 3.6 mls of 1 M NaOH 3.6 mls of 1 M HCl 34 mls of 0.10 M NaOH 34 mls of 0.10 M acetic acid

I know that it has to do w/ the Henderson-Hasselbalch Equation, but I don't know how to derive the answer.
Which of the following could be used to formulate 100 mls of a 0.10 M acetate buffer (pK=4.76) at pH 5 if you start with 64 mls of 0.10 M sodium acetate? 34 mls of 0.10 M HCl 3.6 mls of 1 M NaOH 3.6 mls of 1 M HCl 34 mls of 0.10 M NaOH 34 mls of 0.10 M acetic acid

I know that it has to do w/ the Henderson-Hasselbalch Equation, but I don't know how to derive the answer.
34 mls of 0.10 M HCl

Explanation / Answer

3.6 mls of 1 M NaOH

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